<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome'}">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <div id="main"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
export default {
  data () {
    return {}
  },
  methods: {},
  computed: {},
  watch: {},
  filters: {},
  components: {},
  created () {
  },
  async mounted () {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    // 去除x轴两侧空白
    res.data.xAxis[0].boundaryGap = false
    // 添加鼠标经过效果
    res.data.tooltip = {
      trigger: 'axis',
      axisPointer: {
        type: 'cross',
        label: {
          backgroundColor: '#6a7985'
        }
      }
    }
    if (res.meta.status !== 200) return this.$message.error('获取数据失败')
    // 绘制图表
    myChart.setOption(res.data)
  }
}
</script>

<style scoped lang='less'>
#main {
  width: 1000px;
  height: 600px;
}
</style>
